from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To change or make different; modify: altered my will.
- transitive v. To adjust (a garment) for a better fit.
- transitive v. To castrate or spay (an animal, such as a cat or a dog).
- intransitive v. To change or become different.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To change the form or structure of.
- v. To become different.
- v. To tailor clothes to make them fit.
- v. To castrate, neuter or spay (a dog or other animal).
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make otherwise; to change in some respect, either partially or wholly; to vary; to modify.
- transitive v. To agitate; to affect mentally.
- transitive v. To geld.
- intransitive v. To become, in some respects, different; to vary; to change
from The Century Dictionary and Cyclopedia
- To make some change in; make different in some particular; cause to vary in some degree, without an entire change.
- To change entirely or materially; convert into another form or state: as, to alter a cloak into a coat; to alter an opinion.
- To castrate, emasculate, or spay, as an animal.
- To exchange.
- To agitate: as, ”altered and moved inwardly,” Milton, Areopagitica, p. 1.
- To become different in some respect; vary; change.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. cause to change; make different; cause a transformation
- v. remove the ovaries of
- v. become different in some particular way, without permanently losing one's or its former characteristics or essence
- v. insert words into texts, often falsifying it thereby
- v. make an alteration to
Middle English alteren, from Old French alterer, from Medieval Latin alterāre, from Latin alter, other; see al-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French alterer (French altérer), from Medieval Latin alterare ("to make other"), from Latin alter ("the other"), from al- (seen in alius ("other"), alienus ("of another"), etc.; see alias, alien, etc.) + compar. suffix -ter. (Wiktionary)